Sentence examples for secular variation from inspiring English sources

The origin of the secular variation is not known.

If maps of secular variation from successively later times are examined, many features of the secular variation are found to be displaced westward with time.

The secular variation in F at this station is −28 nT per year.

Such composites give the first estimates of secular variation of the solar output.

Changes of very short duration compared with geologic processes are called secular variation.

Secular variation of the non-dipole components, however, are usually presented as maps.

Ridley, V. A. & Holme, R. Modeling the Jovian magnetic field and its secular variation using all available magnetic field observations.

paleomagnetic secular variation.

Eight international teams proposed candidate secular variation models.

Strong secular variation gradients manifest themselves in the observed patterns.

The secular variation (SV) to degree and order 16   3.